CN111142027A - Lithium iron phosphate battery state-of-charge monitoring and early warning method based on neural network - Google Patents
Lithium iron phosphate battery state-of-charge monitoring and early warning method based on neural network Download PDFInfo
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- CN111142027A CN111142027A CN201911423345.7A CN201911423345A CN111142027A CN 111142027 A CN111142027 A CN 111142027A CN 201911423345 A CN201911423345 A CN 201911423345A CN 111142027 A CN111142027 A CN 111142027A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
Abstract
Description
voltage/V | current/A | Temperature/. degree.C | Actual SOC | Monitoring SOC |
4.23 | 2.010 | 25.1 | 0.90 | 0.92 |
4.01 | 2.010 | 25.6 | 0.89 | 0.90 |
3.99 | 2.009 | 26.1 | 0.88 | 0.90 |
3.91 | 2.009 | 26.5 | 0.87 | 0.89 |
3.90 | 2.008 | 27.0 | 0.87 | 0.86 |
3.88 | 2.007 | 27.4 | 0.86 | 0.85 |
3.85 | 2.006 | 27.9 | 0.85 | 0.84 |
3.83 | 2.006 | 28.3 | 0.81 | 0.80 |
3.82 | 2.006 | 28.7 | 0.83 | 0.82 |
3.80 | 2.006 | 29.1 | 0.80 | 0.79 |
3.78 | 2.006 | 29.6 | 0.79 | 0.80 |
3.77 | 2.005 | 30.1 | 0.77 | 0.75 |
3.76 | 2.005 | 30.4 | 0.78 | 0.77 |
3.75 | 2.004 | 30.7 | 0.69 | 0.68 |
3.74 | 2.004 | 31.1 | 0.71 | 0.70 |
3.72 | 2.002 | 31.4 | 0.70 | 0.72 |
3.70 | 2.001 | 31.7 | 0.68 | 0.67 |
3.69 | 2.000 | 31.9 | 0.63 | 0.61 |
Early warning signal | Unit time T |
Early warning of too high rate of decline | 23 |
Early warning of too high rate of decline | 27 |
Low battery warning | 80-100 |
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Cited By (9)
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CN111796185A (en) * | 2020-06-16 | 2020-10-20 | 合肥力高动力科技有限公司 | Lithium iron phosphate battery SOC-OCV calibration method based on T-S type fuzzy algorithm |
CN111952962A (en) * | 2020-07-30 | 2020-11-17 | 国网江苏省电力有限公司南京供电分公司 | Power distribution network low voltage prediction method based on T-S fuzzy neural network |
CN111983468A (en) * | 2020-08-24 | 2020-11-24 | 哈尔滨理工大学 | Safety degree estimation method of lithium power battery based on neural network |
CN111983467A (en) * | 2020-08-24 | 2020-11-24 | 哈尔滨理工大学 | Battery safety degree estimation method and estimation device based on second-order RC equivalent circuit model |
CN112782588A (en) * | 2020-12-30 | 2021-05-11 | 深圳市加码能源科技有限公司 | SOC online monitoring method based on LSSVM and storage medium thereof |
CN113658415A (en) * | 2021-07-30 | 2021-11-16 | 南京凡科信息科技有限公司 | Early warning method and system for intelligent gateway |
CN114528772A (en) * | 2022-04-20 | 2022-05-24 | 深圳市森树强电子科技有限公司 | Charger charging prediction method in electromechanical converter control system |
WO2022183459A1 (en) * | 2021-03-04 | 2022-09-09 | 宁德时代新能源科技股份有限公司 | Method and apparatus for estimating soc of battery pack, and battery management system |
WO2022248532A1 (en) * | 2021-05-25 | 2022-12-01 | Danmarks Tekniske Universitet | Data-driven and temperature-cycles based remaining useful life estimation of an electronic device |
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Cited By (15)
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CN111796185A (en) * | 2020-06-16 | 2020-10-20 | 合肥力高动力科技有限公司 | Lithium iron phosphate battery SOC-OCV calibration method based on T-S type fuzzy algorithm |
CN111796185B (en) * | 2020-06-16 | 2022-11-08 | 合肥力高动力科技有限公司 | Lithium iron phosphate battery SOC-OCV calibration method based on T-S type fuzzy algorithm |
CN111952962A (en) * | 2020-07-30 | 2020-11-17 | 国网江苏省电力有限公司南京供电分公司 | Power distribution network low voltage prediction method based on T-S fuzzy neural network |
CN111983467A (en) * | 2020-08-24 | 2020-11-24 | 哈尔滨理工大学 | Battery safety degree estimation method and estimation device based on second-order RC equivalent circuit model |
CN111983468A (en) * | 2020-08-24 | 2020-11-24 | 哈尔滨理工大学 | Safety degree estimation method of lithium power battery based on neural network |
CN111983468B (en) * | 2020-08-24 | 2022-11-18 | 哈尔滨理工大学 | Safety degree estimation method of lithium power battery based on neural network |
CN111983467B (en) * | 2020-08-24 | 2023-02-03 | 哈尔滨理工大学 | Battery safety degree estimation method and estimation device based on second-order RC equivalent circuit model |
CN112782588A (en) * | 2020-12-30 | 2021-05-11 | 深圳市加码能源科技有限公司 | SOC online monitoring method based on LSSVM and storage medium thereof |
CN112782588B (en) * | 2020-12-30 | 2023-02-17 | 深圳市加码能源科技有限公司 | SOC online monitoring method based on LSSVM and storage medium thereof |
WO2022183459A1 (en) * | 2021-03-04 | 2022-09-09 | 宁德时代新能源科技股份有限公司 | Method and apparatus for estimating soc of battery pack, and battery management system |
WO2022248532A1 (en) * | 2021-05-25 | 2022-12-01 | Danmarks Tekniske Universitet | Data-driven and temperature-cycles based remaining useful life estimation of an electronic device |
CN113658415A (en) * | 2021-07-30 | 2021-11-16 | 南京凡科信息科技有限公司 | Early warning method and system for intelligent gateway |
CN113658415B (en) * | 2021-07-30 | 2024-03-26 | 江苏湛德医疗用品有限公司 | Early warning method and system of intelligent gateway |
CN114528772A (en) * | 2022-04-20 | 2022-05-24 | 深圳市森树强电子科技有限公司 | Charger charging prediction method in electromechanical converter control system |
CN114528772B (en) * | 2022-04-20 | 2022-07-01 | 深圳市森树强电子科技有限公司 | Charger charging prediction method in electromechanical converter control system |
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